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Finding the Fourth Proportional to 399,100.74, 598,629.22 and 241,286.82

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Solution

The fourth proportional to 399,100.74, 598,629.22 and 241,286.82 is: 361,917.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    399,100.74 : 598,629.22 = 241,286.82 : x
  2. Step 2: Convert to fraction form
    399,100.74/598,629.22 = 241,286.82/x
  3. Step 3: Cross multiply
    399,100.74x = 598,629.22 × 241,286.82
  4. Step 4: Simplify right side
    399,100.74x = 144,441,340,852.88
  5. Step 5: Solve for x
    x = 144,441,340,852.88/399,100.74
  6. Step 6: Final answer
    x = 361,917.00

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.